ShuriZma
/
duckstation
mirror of https://github.com/stenzek/duckstation
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

CPU/CodeCache: Fastmem RAM faults are always writes

This commit is contained in:
Stenzek 2024-12-22 14:46:26 +10:00
parent 515a4d07fb
commit 448009f4ef
No known key found for this signature in database
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/core/cpu_code_cache.cpp
View File

@ -1692,9 +1692,10 @@ PageFaultHandler::HandlerResult CPU::CodeCache::HandleFastmemException(void* exc
// if we're writing to ram, let it go through a few times, and use manual block protection to sort it out // if we're writing to ram, let it go through a few times, and use manual block protection to sort it out
// TODO: path for manual protection to return back to read-only pages // TODO: path for manual protection to return back to read-only pages
if (is_write && !g_state.cop0_regs.sr.Isc && GetSegmentForAddress(guest_address) != CPU::Segment::KSEG2 && if (!g_state.cop0_regs.sr.Isc && GetSegmentForAddress(guest_address) != CPU::Segment::KSEG2 &&
AddressInRAM(guest_address)) AddressInRAM(guest_address))
{ {
DebugAssert(is_write);
DEV_LOG("Ignoring fault due to RAM write @ 0x{:08X}", guest_address); DEV_LOG("Ignoring fault due to RAM write @ 0x{:08X}", guest_address);
InvalidateBlocksWithPageIndex(Bus::GetRAMCodePageIndex(guest_address)); InvalidateBlocksWithPageIndex(Bus::GetRAMCodePageIndex(guest_address));
return PageFaultHandler::HandlerResult::ContinueExecution; return PageFaultHandler::HandlerResult::ContinueExecution;